Video: NASA's Messenger robot orbits Mercury

Friday, March 18, 2011 - 13:31 in Astronomy & Space

After a six-and-a-half year journey, the Messenger becomes the first spacecraft to orbit the planet Mercury. Jeff Glor reports.

Read the whole article on CBSNews - Science

More from CBSNews - Science

Latest Science Newsletter

Get the latest and most popular science news articles of the week in your Inbox! It's free!

Check out our next project, Biology.Net